题目内容

根据首字母填空。
     We are all busy talking about and using the Internet (互联网), but how many of us know the h__1__
of the Internet?
     Many people are surprised when they find that the I__2__ was set up in the 1960s. At that time,
computers were large and e__3__ . Computer networks (网络) didn't work well. If one computer in
the network broke down, then the whole network stopped. So a new network system had to be set up.
It should be good e__4__ to be used by many different computers. If part of the network was not
working, information could be sent through a__5__ part. In this way computer network system would
keep on w__6__ all the time.
     At f__7__ the Internet was only used by the government, but, in the early 1970s, universities, hospitals and banks were allowed to use it too. H__8__, computers were still very expensive and the Internet
was d__9__ to use. By the start of the 1990s, c__10__ became cheaper and easier to use. Scientists
had also developed software that made 'surfing' (浏览) the Internet more convenient.
     Today it is easy to get on-line (上网) and it is said that m__11__ of people use the Internet everyday. Sending e-mail is more and more p__12__ among students.
The Internet has now become one of the most important parts of people's life.
1. History,  2. Internet,  3. expensive,  4. enough,  5. another,  6. working,  
7. first,  8. However,  9. difficult,  10. computers,  11. millions,  12. popular
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